Slot type photoelectric sensor: This sensor consists of an infrared light-emitting diode and an NPN photoelectric transistor, with a slot width of 5.9mm. It adopts a slot design which allows the sensor to detect the presence of a non-transparent object passing through the slot.
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100PCS 0603 SMD LED light emitting Diode bead Blue Red Yellow Green Warm White Orange UV Pink PLR
Aliexpress UK
Color: White, Yellow, Red, Blue, Green. If LED does not light up, switch the bulb 180 degrees. Long service life. Low energy consumption.
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50PCS 5mm Straw Hat LED Diode Super Bright White 0.3W 0.5W 0.75W F5 Power 0.5W Light Emitting Diode
Aliexpress UK
3mm infrared emitting diode with 940nm wavelength, the infrared receiver tube is black, therefore when power is supplied to it, the light is not visible, unlike LEDs, which glow when powered and can also be seen.
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10pcs 3mm F3 Piranha LED White Red Blue Green Yellow Amber Clear 3mm LED Diode Light Emitting Diode
Aliexpress UK
Description:Low heat, energy saving, low power consumption, long service life.NOTE: IR Emitter ONLY, IR Reciever is NOT included.Specification:Wavelength: 940nmVoltage: DC 1.35VEmission Distance: 15 Meters / 49FtHead Size: 5 x 9mm / 0.2 x 0.35 inch (D*H)Pin Size: 0.5 x 26mm / 0.02 x 1.02 inch (D*L)Polarity: Anode (Longer Part) | Cathode (Shorter Part)Package Content:5pcs x Infrared Emitter Diode.
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3MM 5MM Light Emitting Diode Electronics Set Box F3 F5 LED Diodes Assorted Kit White Green Red Blue
Aliexpress UK
Emitting Angle: 45 Degree (940NM IR Emitter) | 30 Degree (940NM IR Receiver). Emitting Color: IR Emitter 940nm/ IR Receiver 940nm. Polarity: Anode (Longer Part) | Cathode (Shorter Part). Luminous Intensity: Invisible Light.
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20pcs/50pcs 10MM LED Diode F10 Light Emitting Diodes Assorted Kit White Red Green Blue Yellow DIY
Aliexpress UK
When this transmitting tube is working, it only emits a small amount of bright red light, which is infrared light (infrared signal) with a wavelength of 940. This transmitting tube belongs to the category of sensors, and only paired receiving tubes can work effectively.
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10PCS 10mm RGB LED Diode Multicolor Fast/Slow Flashing Super Bright Light Emitting Diodes
Aliexpress UK
♥ Color: White, Yellow, Red, Blue, Green. If LED does not light up, switch the bulb 180 degrees. ♥ Long service life. Good Good Good quality. ♥ Low energy consumption.
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10PCS LED Diode 10mm RGB Fast/Slow Flashing Super Bright Light Emitting Diodes Multicolor
Aliexpress UK
10Pcs 5mm IR LED Light Emitting Diode. Emitting Light Color: Infrared ray. We'd like to settle any problem in a friendly manner. Because the unpaid dispute will not be closed automatically, and we may ignore it.
eBay
100-200PCS 3MM 5MM LED Diode Assorted Kit F3 F5 LED Light Emitting Diodes White Green Red Blue
Aliexpress UK